Home / 161,815.20-242,830.78-56,634.18

Finding the Fourth Proportional to 161,815.20, 242,830.78 and 56,634.18

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Solution

The fourth proportional to 161,815.20, 242,830.78 and 56,634.18 is: 84,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.20 : 242,830.78 = 56,634.18 : x
  2. Step 2: Convert to fraction form
    161,815.20/242,830.78 = 56,634.18/x
  3. Step 3: Cross multiply
    161,815.20x = 242,830.78 × 56,634.18
  4. Step 4: Simplify right side
    161,815.20x = 13,752,522,104.06
  5. Step 5: Solve for x
    x = 13,752,522,104.06/161,815.20
  6. Step 6: Final answer
    x = 84,989.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.